Every story and comment from the Hacker News API, in a layout borrowed from 2001.
A comment on Training my sense of CO2 ppm. Parent comment
I assume 'dual-beam' is the same as dual-channel? Does the calibration technique mentioned in the manual indicate dual channel operation?
There are no comments on this comment yet.
I assume 'dual-beam' is the same as dual-channel? Does the calibration technique mentioned in the manual indicate dual channel operation?